<template>

  <div class="home-category">
    
      <!-- 左侧的 分类 -->
      <ul class="menu">
        <li v-for="(item,index) in list" :key="item.id" @mouseenter="activeIndex=index">
          <a href="">{{item.name}}</a>
          <template v-if="item.children">
              <a v-for="sub in item.children" :key="sub.id" href="#">
            / {{sub.name}}
          </a>
          </template>
         <template v-else>
            <xtxSkeleton width="60px" height="20px" bg="#727070" style="margin-right:5px"/>
            <xtxSkeleton width="60px" height="20px" bg="#727070"/>
         </template>
        </li>
      </ul>
      <!-- 鼠标悬停左侧 分类之后 出现的 弹层 -->
      <div class="layer">
        <h4>
            {{list[activeIndex].id=='brank'?'品牌推荐':'分类推荐'}}
          <small>根据您的购买或浏览记录推荐</small>
        </h4>
        <ul>
          <li v-for="it in list[activeIndex].goods" :key="it.id">
            <a href="#">
              <img
                :src="it.picture"
                alt=""
              />
              <div class="info">
                <p class="name ellipsis-2">{{it.name}}</p>
                <p class="desc ellipsis">{{it.desc}}</p>
                <p class="price" v-if="list[activeIndex].id!='brank'"><i>¥</i>{{it.price}}</p>
              </div>
            </a>
          </li>
        </ul>
      </div>
    
  </div>
</template>

<script>
import {useStore} from 'vuex'
import {computed,ref,reactive} from 'vue'
import {findBrand} from '@/api/home'
export default {
  name: 'HomeCategory',
  setup() {
      const activeIndex = ref(0)
      const listObj = reactive({
              id:'brank',
              name:'品牌',
              children:[{
                  id:2,
                  name:'品牌推荐'
              }]
      })
      const store = useStore()
      const list = computed(()=>{
          const _list= store.state.category.cateList.map(v=>{
              return {
                  id:v.id,
                  name:v.name,
                  children:v.children&&[...v.children].splice(0,2),
                  goods:v.goods
              }
          })
          _list.push(listObj)
           
          return _list
      })
     findBrand(9).then(res=>{
         console.log(res);
           listObj.goods=res.result
      })
      return{
          list,
          activeIndex
      }
  }
}
</script>

<style scoped lang="less">
.home-category {
  width: 250px;
  height: 500px;
  background: rgba(0, 0, 0, 0.8);
  position: relative;
  z-index: 99;
  .menu {
    li {
      padding-left: 40px;
      height: 50px;
      line-height: 50px;
      &:hover {
        background: @xtxColor;
      }
      a {
        margin-right: 4px;
        color: #fff;
        &:first-child {
          font-size: 16px;
        }
      }
    }
  }
  .layer {
    width: 990px;
    height: 500px;
    background: rgba(255, 255, 255, 0.8);
    position: absolute;
    left: 250px;
    top: 0;
    display: none;
    padding: 0 15px;
    h4 {
      font-size: 20px;
      font-weight: normal;
      line-height: 80px;
      small {
        font-size: 16px;
        color: #666;
      }
    }
    ul {
      display: flex;
      flex-wrap: wrap;
      li {
        width: 310px;
        height: 120px;
        margin-right: 15px;
        margin-bottom: 15px;
        border: 1px solid #eee;
        border-radius: 4px;
        background: #fff;
        &:nth-child(3n) {
          margin-right: 0;
        }
        a {
          display: flex;
          width: 100%;
          height: 100%;
          align-items: center;
          padding: 10px;
          &:hover {
            background: #e3f9f4;
          }
          img {
            width: 95px;
            height: 95px;
          }
          .info {
            padding-left: 10px;
            line-height: 24px;
            width: 190px;
            .name {
              font-size: 16px;
              color: #666;
            }
            .desc {
              color: #999;
            }
            .price {
              font-size: 22px;
              color: @priceColor;
              i {
                font-size: 16px;
              }
            }
          }
        }
      }
    }
  }
  &:hover {
    .layer {
      display: block;
    }
  }
}
</style>
